A AND OTHERS V E

[2026] EWHC 2590 (BP), Commercial Court, Nigel Cooper KC, sitting as a Deputy High Court Judge, 13 October 2026

Arbitration – Jurisdiction – Existence of arbitration agreement – Unilateral agreement – Requirement for writing – Separability – Serious irregularity – Correction – Arbitration Act 1996, sections 5, 6, 7, 57, 67 and 68

The defendant was the parent company of a substantial private group of companies owned by Family F whose members included the four claimants. The defendant was owned directly and indirectly by the claimants.